Anew study led by Robb Calder at the University of Cambridge suggests that nearly all known sub-Neptune exoplanets, previously thought to be potential ocean-bearing“hycean worlds,”are far more likely ...

Astronomers have found an exoplanet that could serve as a benchmark in future studies. It's a rocky planet orbiting an M-type star, and though these planets are plentiful, this one could serve as a ...

Astronomers studying a faint red dwarf star called LHS 1903 have found a four-planet system arranged in a sequence that no standard model of planet formation predicted. The system follows a ...

Irvine, Calif., July 14, 2025 — In new research, University of California, Irvine astronomers describe how more than 200 known exoplanets are likely much larger than previously thought. It’s a finding ...

Up until now, exoplanet surveys have mostly focused on nearby, bright stars that are sun-like or are red dwarfs, which are known to frequently host planets. While astronomers have discovered thousands ...

Irvine, Calif., Oct. 23, 2025 — University of California, Irvine astronomers have identified an exoplanet located in a star’s habitable zone, where surface conditions might exist that can support the ...

How many planets outside our solar system, known as exoplanets, exist throughout the Milky Way Galaxy? While that might never be determined, NASA recently announced the total number of confirmed ...

NASA has confirmed 6,000 exoplanets, marking a major milestone in humanity’s quest to understand other worlds. From gas giants hugging their stars to planets covered in lava or clouds of gemstones, ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But that may soon change ...

CNN — Ten years after the Kepler Space Telescope launched and revolutionized exoplanet discovery, Kepler-1658 b has finally been confirmed as the first exoplanet that the mission ever detected. It's ...